COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set) vs Waterpik Aquarius Countertop Water Flosser WP-660 (White)
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set)
People who want a cordless flosser with a 300 ml tank and a published PSI range
A rechargeable cordless water flosser with a 300 ml tank, a stated 40-130 PSI range, several modes and five tips including a tongue scraper. The manual says charge about four hours, not three, never submerge it despite IPX7, and never descale with vinegar. No adapter in the box.
Published specifications
- Manual: model C20 (F5020E); cordless, 3.7V 1400mAh
- Manual: 300 ml tank; 40-130 PSI; noise under 72 dB
- Manual: Clean, Soft, CH and Massage; auto-off after 2 minutes
- Manual: about 4 hours to charge; listing: 3 hours; 30 days claimed
- Manual: IPX7 but do not submerge; water no warmer than 40°C
- Manual: 5 nozzles, replace every 6 months; no adapter included
Strengths
- A 300 ml tank on a cordless, rechargeable handle
- Manual publishes a pressure range, 40-130 PSI
- Five nozzles in the box, including periodontal and tongue scraper
Caveats
- Manual forbids vinegar, descalers and mouthwash in the tank
- Charge time differs: 3 hours (listing) vs about 4 hours (manual)
- No warranty terms in the manual; only a 2-year badge on the maker page
Read the full COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set) guide
Waterpik Aquarius Countertop Water Flosser WP-660 (White)
A bathroom counter near a North American outlet, shared by several people
A corded countertop water flosser with a 22-ounce reservoir that lasts about 90 seconds, ten pressure settings, floss and massage modes, and seven tips in the box. The manual limits use to five minutes in any two hours and forbids use while bathing. Three-year limited warranty, tips excluded.
Published specifications
- Maker: WP-660, corded countertop, 120VAC/60Hz North America only
- Maker: 22 oz reservoir, about 90 seconds; 13 oz per minute
- Maker: 10 pressure settings; Floss and Hydro-Pulse Massage modes
- Maker: 7 tips included (4 Precision, Orthodontic, Pik Pocket, Plaque Seeker)
- Manual: most tips every 3 months, Precision tip every 6 months
- Manual: three-year limited warranty, receipt required, tips excluded
Strengths
- Large 22-ounce tank lasts about 90 seconds per fill, per the maker
- Seven tips of four types in the box for different users
- Maker states ADA acceptance; three-year limited warranty
Caveats
- Needs counter space and a 120V outlet; not for use while bathing
- Manual limits use to five minutes in each two-hour period
- No PSI figure published; tips excluded from warranty
Read the full Waterpik Aquarius Countertop Water Flosser WP-660 (White) guide
How to choose between them
Choose the COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set) if your situation matches: People who want a cordless flosser with a 300 ml tank and a published PSI range. Its main caveat: Manual forbids vinegar, descalers and mouthwash in the tank.
Choose the Waterpik Aquarius Countertop Water Flosser WP-660 (White) if your situation matches: A bathroom counter near a North American outlet, shared by several people. Its main caveat: Needs counter space and a 120V outlet; not for use while bathing.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- COSLUS product page for the C20 Dual Stream cordless water flosser Source for COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set)
- COSLUS C20 Oral Irrigator User Manual attached to the listing (PDF) Source for COSLUS C20 Cordless Water Flosser, F5020E (Black, Professional Set)
- Waterpik product page for the White Aquarius water flosser WP-660 Source for Waterpik Aquarius Countertop Water Flosser WP-660 (White)
- Waterpik Water Flosser 600 Series instruction manual attached to the listing (PDF) Source for Waterpik Aquarius Countertop Water Flosser WP-660 (White)
Primary sources checked .